UMA_HISTOGRAM_BOOLEAN   39 base/android/library_loader/library_loader_hooks.cc   UMA_HISTOGRAM_BOOLEAN("ChromiumAndroidLinker.LoadedAtFixedAddressFailed",
UMA_HISTOGRAM_BOOLEAN   41 base/android/library_loader/library_loader_hooks.cc   UMA_HISTOGRAM_BOOLEAN("ChromiumAndroidLinker.IsLowMemoryDevice",
UMA_HISTOGRAM_BOOLEAN   68 base/android/library_loader/library_loader_hooks.cc   UMA_HISTOGRAM_BOOLEAN("LibraryLoader.NativeLibraryHack", usedHack);
UMA_HISTOGRAM_BOOLEAN   16 base/test/statistics_delta_reader_unittest.cc   UMA_HISTOGRAM_BOOLEAN("Test", true);
UMA_HISTOGRAM_BOOLEAN   26 base/test/statistics_delta_reader_unittest.cc   UMA_HISTOGRAM_BOOLEAN("Test", true);
UMA_HISTOGRAM_BOOLEAN 1113 cc/layers/layer.cc   UMA_HISTOGRAM_BOOLEAN("Renderer.AnimationAddedToOrphanLayer",
UMA_HISTOGRAM_BOOLEAN  150 cc/resources/tile_manager.cc     UMA_HISTOGRAM_BOOLEAN("Renderer4.SolidColorTilesAnalyzed",
UMA_HISTOGRAM_BOOLEAN 2117 cc/trees/layer_tree_host_impl.cc     UMA_HISTOGRAM_BOOLEAN("TryScroll.SlowScroll", true);
UMA_HISTOGRAM_BOOLEAN 2133 cc/trees/layer_tree_host_impl.cc     UMA_HISTOGRAM_BOOLEAN("TryScroll.SlowScroll", false);
UMA_HISTOGRAM_BOOLEAN  893 chrome/browser/chromeos/accessibility/accessibility_manager.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.CrosSpokenFeedback",
UMA_HISTOGRAM_BOOLEAN  895 chrome/browser/chromeos/accessibility/accessibility_manager.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.CrosHighContrast",
UMA_HISTOGRAM_BOOLEAN  897 chrome/browser/chromeos/accessibility/accessibility_manager.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.CrosVirtualKeyboard",
UMA_HISTOGRAM_BOOLEAN  899 chrome/browser/chromeos/accessibility/accessibility_manager.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.CrosStickyKeys", IsStickyKeysEnabled());
UMA_HISTOGRAM_BOOLEAN  910 chrome/browser/chromeos/accessibility/accessibility_manager.cc     UMA_HISTOGRAM_BOOLEAN("Accessibility.CrosLargeCursor",
UMA_HISTOGRAM_BOOLEAN  912 chrome/browser/chromeos/accessibility/accessibility_manager.cc     UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  917 chrome/browser/chromeos/accessibility/accessibility_manager.cc     UMA_HISTOGRAM_BOOLEAN("Accessibility.CrosAutoclick", autoclick_enabled);
UMA_HISTOGRAM_BOOLEAN  105 chrome/browser/chromeos/first_run/first_run.cc   UMA_HISTOGRAM_BOOLEAN("CrosFirstRun.TutorialLaunched", true);
UMA_HISTOGRAM_BOOLEAN  392 chrome/browser/chromeos/memory/oom_priority_manager.cc   UMA_HISTOGRAM_BOOLEAN("Tabs.Discard.DiscardInLastMinute",
UMA_HISTOGRAM_BOOLEAN  406 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN("Touchpad.TapToClick.Changed", enabled);
UMA_HISTOGRAM_BOOLEAN  408 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN("Touchpad.TapToClick.Started", enabled);
UMA_HISTOGRAM_BOOLEAN  423 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN("Touchpad.TapDragging.Changed", enabled);
UMA_HISTOGRAM_BOOLEAN  425 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN("Touchpad.TapDragging.Started", enabled);
UMA_HISTOGRAM_BOOLEAN  433 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN("Touchpad.ThreeFingerClick.Changed", enabled);
UMA_HISTOGRAM_BOOLEAN  435 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN("Touchpad.ThreeFingerClick.Started", enabled);
UMA_HISTOGRAM_BOOLEAN  447 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN("Touchpad.NaturalScroll.Changed", enabled);
UMA_HISTOGRAM_BOOLEAN  449 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN("Touchpad.NaturalScroll.Started", enabled);
UMA_HISTOGRAM_BOOLEAN  486 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN("Mouse.PrimaryButtonRight.Changed", right);
UMA_HISTOGRAM_BOOLEAN  488 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN("Mouse.PrimaryButtonRight.Started", right);
UMA_HISTOGRAM_BOOLEAN  501 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  505 chrome/browser/chromeos/preferences.cc       UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  573 chrome/browser/chromeos/preferences.cc     UMA_HISTOGRAM_BOOLEAN("Touchpad.NaturalScroll.Forced", true);
UMA_HISTOGRAM_BOOLEAN  117 chrome/browser/drive/drive_notification_manager.cc     UMA_HISTOGRAM_BOOLEAN("Drive.PushNotificationInitiallyEnabled",
UMA_HISTOGRAM_BOOLEAN  143 chrome/browser/drive/drive_notification_manager.cc   UMA_HISTOGRAM_BOOLEAN("Drive.PushNotificationRegistered",
UMA_HISTOGRAM_BOOLEAN  146 chrome/browser/extensions/api/messaging/message_service.cc       UMA_HISTOGRAM_BOOLEAN("Extensions.AllocatePortIdPairOverflow", true);
UMA_HISTOGRAM_BOOLEAN  190 chrome/browser/extensions/api/webstore_private/webstore_private_api.cc   UMA_HISTOGRAM_BOOLEAN("Webstore.ExtensionInstallResult", success);
UMA_HISTOGRAM_BOOLEAN 1379 chrome/browser/extensions/extension_service.cc     UMA_HISTOGRAM_BOOLEAN("Extensions.KnownDisabledInitialized", true);
UMA_HISTOGRAM_BOOLEAN  411 chrome/browser/extensions/install_signer.cc   UMA_HISTOGRAM_BOOLEAN("ExtensionInstallSigner.FetchSuccess", fetch_success);
UMA_HISTOGRAM_BOOLEAN  418 chrome/browser/extensions/install_signer.cc   UMA_HISTOGRAM_BOOLEAN("ExtensionInstallSigner.GetResponseSuccess",
UMA_HISTOGRAM_BOOLEAN  439 chrome/browser/extensions/install_signer.cc   UMA_HISTOGRAM_BOOLEAN("ExtensionInstallSigner.ParseJsonSuccess",
UMA_HISTOGRAM_BOOLEAN  459 chrome/browser/extensions/install_signer.cc   UMA_HISTOGRAM_BOOLEAN("ExtensionInstallSigner.ParseFieldsSuccess",
UMA_HISTOGRAM_BOOLEAN  498 chrome/browser/extensions/install_signer.cc     UMA_HISTOGRAM_BOOLEAN("ExtensionInstallSigner.ResultWasValid", verified);
UMA_HISTOGRAM_BOOLEAN  178 chrome/browser/extensions/install_verifier.cc   UMA_HISTOGRAM_BOOLEAN("ExtensionService.AddVerified", success);
UMA_HISTOGRAM_BOOLEAN  169 chrome/browser/extensions/installed_loader.cc     UMA_HISTOGRAM_BOOLEAN("ExtensionInstalledLoader.ForceDisabled",
UMA_HISTOGRAM_BOOLEAN  700 chrome/browser/extensions/webstore_installer.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN   56 chrome/browser/gpu/gpu_mode_manager.cc     UMA_HISTOGRAM_BOOLEAN("GPU.HardwareAccelerationModeEnabled",
UMA_HISTOGRAM_BOOLEAN  437 chrome/browser/history/download_database.cc     UMA_HISTOGRAM_BOOLEAN("Download.DatabaseEmptyUrlChain", empty_url_chain);
UMA_HISTOGRAM_BOOLEAN  563 chrome/browser/history/download_database.cc       UMA_HISTOGRAM_BOOLEAN("Download.DatabaseCorruptUrls", corrupt_urls);
UMA_HISTOGRAM_BOOLEAN  586 chrome/browser/history/history_backend.cc       UMA_HISTOGRAM_BOOLEAN("History.AttemptedToFixProfileError", kill_db);
UMA_HISTOGRAM_BOOLEAN 2689 chrome/browser/history/history_backend.cc   UMA_HISTOGRAM_BOOLEAN("History.KillHistoryDatabaseResult", success);
UMA_HISTOGRAM_BOOLEAN  701 chrome/browser/history/top_sites_impl.cc   UMA_HISTOGRAM_BOOLEAN("TopSites.NumberOfApplyBlacklist", true);
UMA_HISTOGRAM_BOOLEAN  139 chrome/browser/history/web_history_service.cc     UMA_HISTOGRAM_BOOLEAN("WebHistory.OAuthTokenCompletion", true);
UMA_HISTOGRAM_BOOLEAN  152 chrome/browser/history/web_history_service.cc     UMA_HISTOGRAM_BOOLEAN("WebHistory.OAuthTokenCompletion", false);
UMA_HISTOGRAM_BOOLEAN  501 chrome/browser/memory_details.cc   UMA_HISTOGRAM_BOOLEAN("Memory.Swap.HaveSwapped", swap_info_.num_writes > 0);
UMA_HISTOGRAM_BOOLEAN  659 chrome/browser/metrics/metrics_service.cc     UMA_HISTOGRAM_BOOLEAN("UMA.ClientIdMigrated", true);
UMA_HISTOGRAM_BOOLEAN 1213 chrome/browser/metrics/metrics_service.cc   UMA_HISTOGRAM_BOOLEAN("UMA.MetricsIDsReset", true);
UMA_HISTOGRAM_BOOLEAN 1242 chrome/browser/metrics/metrics_service.cc       UMA_HISTOGRAM_BOOLEAN("UMA.GeneratedLowEntropySource", false);
UMA_HISTOGRAM_BOOLEAN 1247 chrome/browser/metrics/metrics_service.cc   UMA_HISTOGRAM_BOOLEAN("UMA.GeneratedLowEntropySource", true);
UMA_HISTOGRAM_BOOLEAN 1657 chrome/browser/metrics/metrics_service.cc   UMA_HISTOGRAM_BOOLEAN("UMA.UploadCreation", upload_created);
UMA_HISTOGRAM_BOOLEAN   29 chrome/browser/metrics/time_ticks_experiment_win.cc   UMA_HISTOGRAM_BOOLEAN("WinTimeTicks.NonStopTsc",
UMA_HISTOGRAM_BOOLEAN  140 chrome/browser/metrics/tracking_synchronizer.cc     UMA_HISTOGRAM_BOOLEAN("Profiling.ReceivedProcessGroupCount",
UMA_HISTOGRAM_BOOLEAN  358 chrome/browser/net/http_pipelining_compatibility_client.cc   UMA_HISTOGRAM_BOOLEAN("NetConnectivity.Pipeline.CanarySuccess", success);
UMA_HISTOGRAM_BOOLEAN  381 chrome/browser/net/http_pipelining_compatibility_client.cc     UMA_HISTOGRAM_BOOLEAN("NetConnectivity.Pipeline.Success",
UMA_HISTOGRAM_BOOLEAN  435 chrome/browser/net/http_pipelining_compatibility_client.cc   UMA_HISTOGRAM_BOOLEAN("NetConnectivity.Pipeline.AllHTTP11",
UMA_HISTOGRAM_BOOLEAN  539 chrome/browser/net/network_stats.cc     UMA_HISTOGRAM_BOOLEAN("NetConnectivity5.TestFailed.WritePending", true);
UMA_HISTOGRAM_BOOLEAN  209 chrome/browser/net/predictor.cc     UMA_HISTOGRAM_BOOLEAN("Net.PreconnectTriggerUsed",
UMA_HISTOGRAM_BOOLEAN  235 chrome/browser/net/predictor.cc   UMA_HISTOGRAM_BOOLEAN("Net.PreconnectedNavigation", was_preconnected);
UMA_HISTOGRAM_BOOLEAN  263 chrome/browser/net/predictor.cc   UMA_HISTOGRAM_BOOLEAN("Net.PreconnectedLinkNavigations", did_use_preconnect);
UMA_HISTOGRAM_BOOLEAN  428 chrome/browser/net/sqlite_server_bound_cert_store.cc     UMA_HISTOGRAM_BOOLEAN("DomainBoundCerts.KillDatabaseResult", success);
UMA_HISTOGRAM_BOOLEAN   97 chrome/browser/performance_monitor/process_metrics_history.cc         UMA_HISTOGRAM_BOOLEAN("PerformanceMonitor.HighCPU.BrowserProcess",
UMA_HISTOGRAM_BOOLEAN  106 chrome/browser/performance_monitor/process_metrics_history.cc         UMA_HISTOGRAM_BOOLEAN("PerformanceMonitor.HighCPU.RendererProcess",
UMA_HISTOGRAM_BOOLEAN  115 chrome/browser/performance_monitor/process_metrics_history.cc         UMA_HISTOGRAM_BOOLEAN("PerformanceMonitor.HighCPU.PluginProcess", true);
UMA_HISTOGRAM_BOOLEAN  122 chrome/browser/performance_monitor/process_metrics_history.cc         UMA_HISTOGRAM_BOOLEAN("PerformanceMonitor.HighCPU.WorkerProcess", true);
UMA_HISTOGRAM_BOOLEAN  129 chrome/browser/performance_monitor/process_metrics_history.cc         UMA_HISTOGRAM_BOOLEAN("PerformanceMonitor.HighCPU.GPUProcess", true);
UMA_HISTOGRAM_BOOLEAN  136 chrome/browser/performance_monitor/process_metrics_history.cc         UMA_HISTOGRAM_BOOLEAN("PerformanceMonitor.HighCPU.PPAPIProcess", true);
UMA_HISTOGRAM_BOOLEAN  221 chrome/browser/policy/cloud/cloud_policy_invalidator.cc   UMA_HISTOGRAM_BOOLEAN(kMetricPolicyInvalidations, !payload.empty());
UMA_HISTOGRAM_BOOLEAN  170 chrome/browser/predictors/autocomplete_action_predictor.cc   UMA_HISTOGRAM_BOOLEAN("AutocompleteActionPredictor.MatchIsInDb", is_in_db);
UMA_HISTOGRAM_BOOLEAN  330 chrome/browser/predictors/autocomplete_action_predictor.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  182 chrome/browser/prefs/chrome_pref_service_factory.cc       UMA_HISTOGRAM_BOOLEAN("Settings.TrackedPreferencesNoEnforcementOnDomain",
UMA_HISTOGRAM_BOOLEAN  227 chrome/browser/prefs/chrome_pref_service_factory.cc   UMA_HISTOGRAM_BOOLEAN("Settings.EnforcementGroupDeterminedFromTrial",
UMA_HISTOGRAM_BOOLEAN   69 chrome/browser/prefs/pref_hash_store_impl.cc   UMA_HISTOGRAM_BOOLEAN("Settings.HashesDictionaryTrusted",
UMA_HISTOGRAM_BOOLEAN   63 chrome/browser/prefs/pref_metrics_service.cc   UMA_HISTOGRAM_BOOLEAN("Settings.ShowHomeButton", show_home_button);
UMA_HISTOGRAM_BOOLEAN   65 chrome/browser/prefs/pref_metrics_service.cc     UMA_HISTOGRAM_BOOLEAN("Settings.GivenShowHomeButton_HomePageIsNewTabPage",
UMA_HISTOGRAM_BOOLEAN  390 chrome/browser/prefs/profile_pref_store_manager.cc   UMA_HISTOGRAM_BOOLEAN("Settings.InitializedFromMasterPrefs", success);
UMA_HISTOGRAM_BOOLEAN  438 chrome/browser/prerender/prerender_histograms.cc       UMA_HISTOGRAM_BOOLEAN(name, visited_before));
UMA_HISTOGRAM_BOOLEAN  205 chrome/browser/prerender/prerender_manager.cc     UMA_HISTOGRAM_BOOLEAN("Prerender.TabContentsDeleterTimeout", timeout);
UMA_HISTOGRAM_BOOLEAN  206 chrome/browser/prerender/prerender_manager.cc     UMA_HISTOGRAM_BOOLEAN("Prerender.TabContentsDeleterSuppressedDialog",
UMA_HISTOGRAM_BOOLEAN   91 chrome/browser/safe_browsing/client_side_detection_host.cc     UMA_HISTOGRAM_BOOLEAN("SBClientPhishing.ClassificationStart", 1);
UMA_HISTOGRAM_BOOLEAN   92 chrome/browser/safe_browsing/client_side_detection_host.cc     UMA_HISTOGRAM_BOOLEAN("SBClientMalware.ClassificationStart", 1);
UMA_HISTOGRAM_BOOLEAN  257 chrome/browser/safe_browsing/client_side_detection_host.cc       UMA_HISTOGRAM_BOOLEAN("SBClientPhishing.RequestSatisfiedFromCache", 1);
UMA_HISTOGRAM_BOOLEAN  271 chrome/browser/safe_browsing/client_side_detection_host.cc       UMA_HISTOGRAM_BOOLEAN("SBClientPhishing.ReportLimitSkipped", 1);
UMA_HISTOGRAM_BOOLEAN  525 chrome/browser/safe_browsing/download_protection_service.cc     UMA_HISTOGRAM_BOOLEAN("SBClientDownload.SignedBinaryDownload", is_signed);
UMA_HISTOGRAM_BOOLEAN  562 chrome/browser/safe_browsing/download_protection_service.cc     UMA_HISTOGRAM_BOOLEAN("SBClientDownload.ZipFileHasExecutable",
UMA_HISTOGRAM_BOOLEAN  564 chrome/browser/safe_browsing/download_protection_service.cc     UMA_HISTOGRAM_BOOLEAN("SBClientDownload.ZipFileHasArchiveButNoExecutable",
UMA_HISTOGRAM_BOOLEAN  455 chrome/browser/safe_browsing/safe_browsing_blocking_page.cc   UMA_HISTOGRAM_BOOLEAN("SB2.SetReportingEnabled", report);
UMA_HISTOGRAM_BOOLEAN  768 chrome/browser/safe_browsing/safe_browsing_blocking_page.cc   UMA_HISTOGRAM_BOOLEAN("SB2.ReportingIsEnabled", enabled);
UMA_HISTOGRAM_BOOLEAN   84 chrome/browser/search/hotword_service.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN 2668 chrome/browser/search_engines/template_url_service.cc     UMA_HISTOGRAM_BOOLEAN("Search.HasDefaultSearchProvider",
UMA_HISTOGRAM_BOOLEAN   37 chrome/browser/spellchecker/spellcheck_host_metrics.cc   UMA_HISTOGRAM_BOOLEAN("SpellCheck.Enabled", enabled);
UMA_HISTOGRAM_BOOLEAN   85 chrome/browser/spellchecker/spellcheck_host_metrics.cc   UMA_HISTOGRAM_BOOLEAN("SpellCheck.DictionaryCorrupted", corrupted);
UMA_HISTOGRAM_BOOLEAN  146 chrome/browser/spellchecker/spellcheck_host_metrics.cc   UMA_HISTOGRAM_BOOLEAN("SpellCheck.SpellingService.Enabled", enabled);
UMA_HISTOGRAM_BOOLEAN  282 chrome/browser/sync/glue/favicon_cache.cc   UMA_HISTOGRAM_BOOLEAN("Sync.FaviconsAvailableAtMerge",
UMA_HISTOGRAM_BOOLEAN  488 chrome/browser/sync/glue/favicon_cache.cc   UMA_HISTOGRAM_BOOLEAN("Sync.FaviconCacheLookupSucceeded",
UMA_HISTOGRAM_BOOLEAN  908 chrome/browser/sync/profile_sync_service.cc     UMA_HISTOGRAM_BOOLEAN("Sync.BackendInitializeFirstTimeSuccess", success);
UMA_HISTOGRAM_BOOLEAN  910 chrome/browser/sync/profile_sync_service.cc     UMA_HISTOGRAM_BOOLEAN("Sync.BackendInitializeRestoreSuccess", success);
UMA_HISTOGRAM_BOOLEAN 1580 chrome/browser/sync/profile_sync_service.cc     UMA_HISTOGRAM_BOOLEAN("Sync.SyncEverything", sync_everything);
UMA_HISTOGRAM_BOOLEAN  138 chrome/browser/sync/startup_controller.cc   UMA_HISTOGRAM_BOOLEAN("Sync.RefreshTokenAvailable", true);
UMA_HISTOGRAM_BOOLEAN  358 chrome/browser/translate/translate_infobar_delegate.cc   UMA_HISTOGRAM_BOOLEAN("Translate.DeclineTranslateCloseInfobar", true);
UMA_HISTOGRAM_BOOLEAN  115 chrome/browser/translate/translate_ui_delegate.cc   UMA_HISTOGRAM_BOOLEAN(kModifyOriginalLang, true);
UMA_HISTOGRAM_BOOLEAN  128 chrome/browser/translate/translate_ui_delegate.cc   UMA_HISTOGRAM_BOOLEAN(kModifyTargetLang, true);
UMA_HISTOGRAM_BOOLEAN  166 chrome/browser/translate/translate_ui_delegate.cc   UMA_HISTOGRAM_BOOLEAN(kPerformTranslate, true);
UMA_HISTOGRAM_BOOLEAN  175 chrome/browser/translate/translate_ui_delegate.cc   UMA_HISTOGRAM_BOOLEAN(kRevertTranslation, true);
UMA_HISTOGRAM_BOOLEAN  192 chrome/browser/translate/translate_ui_delegate.cc   UMA_HISTOGRAM_BOOLEAN(kDeclineTranslate, true);
UMA_HISTOGRAM_BOOLEAN  195 chrome/browser/translate/translate_ui_delegate.cc     UMA_HISTOGRAM_BOOLEAN(kDeclineTranslateDismissUI, true);
UMA_HISTOGRAM_BOOLEAN  213 chrome/browser/translate/translate_ui_delegate.cc   UMA_HISTOGRAM_BOOLEAN(kNeverTranslateLang, true);
UMA_HISTOGRAM_BOOLEAN  236 chrome/browser/translate/translate_ui_delegate.cc   UMA_HISTOGRAM_BOOLEAN(kNeverTranslateSite, true);
UMA_HISTOGRAM_BOOLEAN  252 chrome/browser/translate/translate_ui_delegate.cc   UMA_HISTOGRAM_BOOLEAN(kAlwaysTranslateLang, true);
UMA_HISTOGRAM_BOOLEAN   96 chrome/browser/ui/views/download/download_feedback_dialog_view.cc   UMA_HISTOGRAM_BOOLEAN("Download.FeedbackDialogEnabled", accepted);
UMA_HISTOGRAM_BOOLEAN 1109 chrome/browser/ui/views/extensions/extension_install_dialog_view.cc     UMA_HISTOGRAM_BOOLEAN("Extensions.InstallPrompt.Accepted", accepted);
UMA_HISTOGRAM_BOOLEAN  229 chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc   UMA_HISTOGRAM_BOOLEAN("ChromeOS.SAML.Scraping.VerificationResult", success);
UMA_HISTOGRAM_BOOLEAN 1787 chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc   UMA_HISTOGRAM_BOOLEAN("ChromeOS.SAML.APIUsed", api_used);
UMA_HISTOGRAM_BOOLEAN  823 chrome/browser/ui/webui/extensions/extension_settings_handler.cc   UMA_HISTOGRAM_BOOLEAN("ExtensionSettings.ShouldDoVerificationCheck",
UMA_HISTOGRAM_BOOLEAN  205 chrome/browser/ui/webui/options/reset_profile_settings_handler.cc   UMA_HISTOGRAM_BOOLEAN("ProfileReset.SendFeedback", send_settings);
UMA_HISTOGRAM_BOOLEAN  680 chrome/installer/util/google_update_settings.cc   UMA_HISTOGRAM_BOOLEAN("GoogleUpdate.UpdatePolicyIsOverridden", is_overridden);
UMA_HISTOGRAM_BOOLEAN  369 chrome/renderer/chrome_content_renderer_client.cc     UMA_HISTOGRAM_BOOLEAN("Blacklist.PatchedInRenderer", true);
UMA_HISTOGRAM_BOOLEAN  191 chrome/renderer/spellchecker/spellcheck_provider.cc   UMA_HISTOGRAM_BOOLEAN("SpellCheck.api.showUI", show);
UMA_HISTOGRAM_BOOLEAN  130 chromeos/network/device_state.cc     UMA_HISTOGRAM_BOOLEAN("Cellular.SIMLocked", locked);
UMA_HISTOGRAM_BOOLEAN  400 chromeos/network/onc/onc_utils.cc     UMA_HISTOGRAM_BOOLEAN("Enterprise.ONC.PolicyValidation",
UMA_HISTOGRAM_BOOLEAN  424 components/autofill/core/browser/autofill_metrics.cc   UMA_HISTOGRAM_BOOLEAN("Autofill.IsEnabled.Startup", enabled);
UMA_HISTOGRAM_BOOLEAN  428 components/autofill/core/browser/autofill_metrics.cc   UMA_HISTOGRAM_BOOLEAN("Autofill.IsEnabled.PageLoad", enabled);
UMA_HISTOGRAM_BOOLEAN   17 components/dom_distiller/core/feedback_reporter.cc   UMA_HISTOGRAM_BOOLEAN("DomDistiller.DistillationQuality", good);
UMA_HISTOGRAM_BOOLEAN  359 components/nacl/browser/nacl_process_host.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  362 components/nacl/browser/nacl_process_host.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  365 components/nacl/browser/nacl_process_host.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  624 components/password_manager/core/browser/password_form_manager.cc         UMA_HISTOGRAM_BOOLEAN("PasswordGeneration.UploadStarted", success);
UMA_HISTOGRAM_BOOLEAN   45 components/password_manager/core/browser/password_manager.cc   UMA_HISTOGRAM_BOOLEAN("PasswordManager.Enabled", password_manager_enabled);
UMA_HISTOGRAM_BOOLEAN   96 components/policy/core/common/cloud/user_cloud_policy_store.cc   UMA_HISTOGRAM_BOOLEAN(kMetricPolicyHasVerifiedCachedKey,
UMA_HISTOGRAM_BOOLEAN  313 components/policy/core/common/policy_loader_win.cc   UMA_HISTOGRAM_BOOLEAN("EnterpriseCheck.InDomain", in_domain);
UMA_HISTOGRAM_BOOLEAN   55 components/storage_monitor/storage_monitor_linux.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN   82 components/storage_monitor/storage_monitor_linux.cc     UMA_HISTOGRAM_BOOLEAN("MediaDeviceNotification.UdevRequestSuccess",
UMA_HISTOGRAM_BOOLEAN  106 components/storage_monitor/storage_monitor_linux.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN   62 components/translate/core/browser/translate_browser_metrics.cc   UMA_HISTOGRAM_BOOLEAN(kTranslateReportLanguageDetectionError, true);
UMA_HISTOGRAM_BOOLEAN  118 components/translate/core/common/translate_metrics.cc   UMA_HISTOGRAM_BOOLEAN(kTranslateSimilarLanguageMatch, match);
UMA_HISTOGRAM_BOOLEAN  138 content/browser/accessibility/browser_accessibility_state_impl.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.State", IsAccessibleBrowser());
UMA_HISTOGRAM_BOOLEAN  139 content/browser/accessibility/browser_accessibility_state_impl.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.InvertedColors",
UMA_HISTOGRAM_BOOLEAN  141 content/browser/accessibility/browser_accessibility_state_impl.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.ManuallyEnabled",
UMA_HISTOGRAM_BOOLEAN   24 content/browser/accessibility/browser_accessibility_state_impl_win.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinAudioDescription",
UMA_HISTOGRAM_BOOLEAN   29 content/browser/accessibility/browser_accessibility_state_impl_win.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinScreenReader",
UMA_HISTOGRAM_BOOLEAN   35 content/browser/accessibility/browser_accessibility_state_impl_win.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinStickyKeys",
UMA_HISTOGRAM_BOOLEAN   71 content/browser/accessibility/browser_accessibility_state_impl_win.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinJAWS", jaws);
UMA_HISTOGRAM_BOOLEAN   72 content/browser/accessibility/browser_accessibility_state_impl_win.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinNVDA", nvda);
UMA_HISTOGRAM_BOOLEAN   73 content/browser/accessibility/browser_accessibility_state_impl_win.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinSAToGo", satogo);
UMA_HISTOGRAM_BOOLEAN   74 content/browser/accessibility/browser_accessibility_state_impl_win.cc   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinZoomText", zoomtext);
UMA_HISTOGRAM_BOOLEAN  223 content/browser/compositor/gpu_process_transport_factory.cc   UMA_HISTOGRAM_BOOLEAN("Aura.CreatedGpuBrowserCompositor", !!context_provider);
UMA_HISTOGRAM_BOOLEAN   49 content/browser/device_orientation/data_fetcher_shared_memory_default.cc       UMA_HISTOGRAM_BOOLEAN("InertialSensor.MotionDefaultAvailable", false);
UMA_HISTOGRAM_BOOLEAN   54 content/browser/device_orientation/data_fetcher_shared_memory_default.cc       UMA_HISTOGRAM_BOOLEAN("InertialSensor.OrientationDefaultAvailable",
UMA_HISTOGRAM_BOOLEAN  127 content/browser/device_orientation/data_fetcher_shared_memory_mac.cc       UMA_HISTOGRAM_BOOLEAN("InertialSensor.MotionMacAvailable",
UMA_HISTOGRAM_BOOLEAN  139 content/browser/device_orientation/data_fetcher_shared_memory_mac.cc       UMA_HISTOGRAM_BOOLEAN("InertialSensor.OrientationMacAvailable",
UMA_HISTOGRAM_BOOLEAN  250 content/browser/device_orientation/data_fetcher_shared_memory_win.cc         UMA_HISTOGRAM_BOOLEAN("InertialSensor.InclinometerWindowsAvailable",
UMA_HISTOGRAM_BOOLEAN  268 content/browser/device_orientation/data_fetcher_shared_memory_win.cc         UMA_HISTOGRAM_BOOLEAN("InertialSensor.AccelerometerWindowsAvailable",
UMA_HISTOGRAM_BOOLEAN  270 content/browser/device_orientation/data_fetcher_shared_memory_win.cc         UMA_HISTOGRAM_BOOLEAN("InertialSensor.GyrometerWindowsAvailable",
UMA_HISTOGRAM_BOOLEAN   20 content/browser/device_orientation/sensor_manager_android.cc   UMA_HISTOGRAM_BOOLEAN("InertialSensor.RotationVectorAndroidAvailable", value);
UMA_HISTOGRAM_BOOLEAN  208 content/browser/device_orientation/sensor_manager_android.cc     UMA_HISTOGRAM_BOOLEAN("InertialSensor.AccelerometerAndroidAvailable",
UMA_HISTOGRAM_BOOLEAN  210 content/browser/device_orientation/sensor_manager_android.cc     UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  214 content/browser/device_orientation/sensor_manager_android.cc     UMA_HISTOGRAM_BOOLEAN("InertialSensor.GyroscopeAndroidAvailable",
UMA_HISTOGRAM_BOOLEAN  284 content/browser/download/download_stats.cc   UMA_HISTOGRAM_BOOLEAN("Download.InterruptedUnknownSize", unknown_size);
UMA_HISTOGRAM_BOOLEAN  206 content/browser/geolocation/geolocation_dispatcher_host.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  519 content/browser/gpu/gpu_process_host.cc   UMA_HISTOGRAM_BOOLEAN("GPU.AtExitReceivedMemoryStats",
UMA_HISTOGRAM_BOOLEAN  765 content/browser/gpu/gpu_process_host.cc   UMA_HISTOGRAM_BOOLEAN("GPU.GPUProcessInitialized", result);
UMA_HISTOGRAM_BOOLEAN 1150 content/browser/gpu/gpu_process_host.cc   UMA_HISTOGRAM_BOOLEAN("GPU.GPU.GPUProcessSoftwareRendering",
UMA_HISTOGRAM_BOOLEAN  124 content/browser/histogram_synchronizer.cc     UMA_HISTOGRAM_BOOLEAN("Histogram.ReceivedProcessGroupCount",
UMA_HISTOGRAM_BOOLEAN 1170 content/browser/net/sqlite_persistent_cookie_store.cc     UMA_HISTOGRAM_BOOLEAN("Cookie.KillDatabaseResult", success);
UMA_HISTOGRAM_BOOLEAN  344 content/common/gpu/media/android_video_encode_accelerator.cc   UMA_HISTOGRAM_BOOLEAN("Media.AVEA.OutputBuffersSuffice", ret);
UMA_HISTOGRAM_BOOLEAN   26 content/renderer/gamepad_shared_memory_reader.cc   UMA_HISTOGRAM_BOOLEAN("Gamepad.ValidSharedMemoryHandle", valid_handle);
UMA_HISTOGRAM_BOOLEAN  372 content/renderer/media/buffered_resource_loader.cc   UMA_HISTOGRAM_BOOLEAN("Media.CacheUseful", reasons == 0);
UMA_HISTOGRAM_BOOLEAN  801 content/renderer/media/rtc_video_decoder.cc   UMA_HISTOGRAM_BOOLEAN("Media.RTCVideoDecoderInitDecodeSuccess", sample);
UMA_HISTOGRAM_BOOLEAN  700 content/renderer/media/rtc_video_encoder.cc   UMA_HISTOGRAM_BOOLEAN("Media.RTCVideoEncoderInitEncodeSuccess",
UMA_HISTOGRAM_BOOLEAN  536 content/renderer/media/webmediaplayer_impl.cc     UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN 1138 content/renderer/media/webmediaplayer_impl.cc   UMA_HISTOGRAM_BOOLEAN("Media.MSE.Playback",
UMA_HISTOGRAM_BOOLEAN 4422 content/renderer/render_view_impl.cc     UMA_HISTOGRAM_BOOLEAN("Platform.WebRtcNEONFound", found_neon);
UMA_HISTOGRAM_BOOLEAN  288 google_apis/gcm/engine/connection_factory_impl.cc     UMA_HISTOGRAM_BOOLEAN("GCM.ConnectionSuccessRate", false);
UMA_HISTOGRAM_BOOLEAN  303 google_apis/gcm/engine/connection_factory_impl.cc   UMA_HISTOGRAM_BOOLEAN("GCM.ConnectionSuccessRate", true);
UMA_HISTOGRAM_BOOLEAN  305 google_apis/gcm/engine/connection_factory_impl.cc   UMA_HISTOGRAM_BOOLEAN("GCM.ConnectedViaProxy",
UMA_HISTOGRAM_BOOLEAN  163 google_apis/gcm/engine/gcm_store_impl.cc   UMA_HISTOGRAM_BOOLEAN("GCM.LoadSucceeded", status.ok());
UMA_HISTOGRAM_BOOLEAN  447 google_apis/gcm/engine/mcs_client.cc   UMA_HISTOGRAM_BOOLEAN("GCM.StoreUpdateSucceeded", success);
UMA_HISTOGRAM_BOOLEAN  515 google_apis/gcm/gcm_client_impl.cc   UMA_HISTOGRAM_BOOLEAN("GCM.StoreDestroySucceeded", success);
UMA_HISTOGRAM_BOOLEAN  645 gpu/command_buffer/service/program_manager.cc       UMA_HISTOGRAM_BOOLEAN("GPU.ProgramCache.LoadBinarySuccess", !link);
UMA_HISTOGRAM_BOOLEAN  165 gpu/config/gpu_info_collector_win.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  346 gpu/config/gpu_info_collector_win.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  349 gpu/config/gpu_info_collector_win.cc   UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  446 media/audio/audio_output_controller.cc     UMA_HISTOGRAM_BOOLEAN(
UMA_HISTOGRAM_BOOLEAN  102 media/audio/audio_output_resampler.cc   UMA_HISTOGRAM_BOOLEAN("Media.FallbackToHighLatencyAudioPath", true);
UMA_HISTOGRAM_BOOLEAN  189 media/audio/audio_output_resampler.cc       UMA_HISTOGRAM_BOOLEAN("Media.FallbackToHighLatencyAudioPath", false);
UMA_HISTOGRAM_BOOLEAN  211 net/cert/cert_verify_proc.cc   UMA_HISTOGRAM_BOOLEAN("Net.CertCommonNameFallback",
UMA_HISTOGRAM_BOOLEAN  214 net/cert/cert_verify_proc.cc     UMA_HISTOGRAM_BOOLEAN("Net.CertCommonNameFallbackPrivateCA",
UMA_HISTOGRAM_BOOLEAN   25 net/cert/x509_util_android.cc     UMA_HISTOGRAM_BOOLEAN("Net.FoundSystemTrustRootsAndroid",
UMA_HISTOGRAM_BOOLEAN  237 net/dns/dns_config_service.cc   UMA_HISTOGRAM_BOOLEAN("AsyncDNS.ConfigChange", changed);
UMA_HISTOGRAM_BOOLEAN  261 net/dns/dns_config_service.cc   UMA_HISTOGRAM_BOOLEAN("AsyncDNS.HostsChange", changed);
UMA_HISTOGRAM_BOOLEAN  282 net/dns/dns_config_service_posix.cc     UMA_HISTOGRAM_BOOLEAN("AsyncDNS.ConfigParseResult", success_);
UMA_HISTOGRAM_BOOLEAN  319 net/dns/dns_config_service_posix.cc     UMA_HISTOGRAM_BOOLEAN("AsyncDNS.HostParseResult", success_);
UMA_HISTOGRAM_BOOLEAN  642 net/dns/dns_config_service_win.cc     UMA_HISTOGRAM_BOOLEAN("AsyncDNS.ConfigParseResult", success_);
UMA_HISTOGRAM_BOOLEAN  689 net/dns/dns_config_service_win.cc     UMA_HISTOGRAM_BOOLEAN("AsyncDNS.HostParseResult", success_);
UMA_HISTOGRAM_BOOLEAN  117 net/dns/dns_session.cc   UMA_HISTOGRAM_BOOLEAN("AsyncDNS.ServerIsGood",
UMA_HISTOGRAM_BOOLEAN  704 net/dns/host_resolver_impl.cc     UMA_HISTOGRAM_BOOLEAN("DNS.EmptyAddressListAndNoError", empty_list_on_ok);
UMA_HISTOGRAM_BOOLEAN 1508 net/dns/host_resolver_impl.cc         UMA_HISTOGRAM_BOOLEAN("Net.UnspecResolvedIPv6", got_ipv6_address);
UMA_HISTOGRAM_BOOLEAN 1683 net/dns/host_resolver_impl.cc       UMA_HISTOGRAM_BOOLEAN("AsyncDNS.HaveDnsConfig",
UMA_HISTOGRAM_BOOLEAN 2170 net/dns/host_resolver_impl.cc         UMA_HISTOGRAM_BOOLEAN("Net.IPv6ConnectSuccessMatch",
UMA_HISTOGRAM_BOOLEAN 2173 net/dns/host_resolver_impl.cc         UMA_HISTOGRAM_BOOLEAN("Net.IPv6ConnectFailureMatch",
UMA_HISTOGRAM_BOOLEAN 2289 net/dns/host_resolver_impl.cc       UMA_HISTOGRAM_BOOLEAN("AsyncDNS.DnsClientEnabled", true);
UMA_HISTOGRAM_BOOLEAN 2338 net/dns/host_resolver_impl.cc   UMA_HISTOGRAM_BOOLEAN("AsyncDNS.DnsClientEnabled", false);
UMA_HISTOGRAM_BOOLEAN 2355 net/dns/host_resolver_impl.cc       UMA_HISTOGRAM_BOOLEAN("AsyncDNS.DnsClientEnabled", true);
UMA_HISTOGRAM_BOOLEAN  160 net/http/http_auth_cache.cc     UMA_HISTOGRAM_BOOLEAN("Net.HttpAuthCacheAddEvicted", evicted);
UMA_HISTOGRAM_BOOLEAN  210 net/http/http_auth_cache.cc     UMA_HISTOGRAM_BOOLEAN("Net.HttpAuthCacheAddPathEvicted", evicted);
UMA_HISTOGRAM_BOOLEAN  473 net/http/http_auth_controller.cc     UMA_HISTOGRAM_BOOLEAN("net.HttpIdentSrcURL", true);
UMA_HISTOGRAM_BOOLEAN 1162 net/http/http_cache_transaction.cc     UMA_HISTOGRAM_BOOLEAN("HttpCache.OpenToCreateRace", false);
UMA_HISTOGRAM_BOOLEAN 1164 net/http/http_cache_transaction.cc     UMA_HISTOGRAM_BOOLEAN("HttpCache.OpenToCreateRace", true);
UMA_HISTOGRAM_BOOLEAN  816 net/ocsp/nss_ocsp.cc       UMA_HISTOGRAM_BOOLEAN("Net.OCSPRequestSuccess", true);
UMA_HISTOGRAM_BOOLEAN  819 net/ocsp/nss_ocsp.cc       UMA_HISTOGRAM_BOOLEAN("Net.OCSPRequestSuccess", false);
UMA_HISTOGRAM_BOOLEAN  824 net/ocsp/nss_ocsp.cc       UMA_HISTOGRAM_BOOLEAN("Net.CRLRequestSuccess", true);
UMA_HISTOGRAM_BOOLEAN  827 net/ocsp/nss_ocsp.cc       UMA_HISTOGRAM_BOOLEAN("Net.CRLRequestSuccess", false);
UMA_HISTOGRAM_BOOLEAN   66 net/quic/quic_http_stream.cc     UMA_HISTOGRAM_BOOLEAN("Net.QuicSession.SecureResourceSecureSession",
UMA_HISTOGRAM_BOOLEAN 2418 net/socket/ssl_client_socket_nss.cc     UMA_HISTOGRAM_BOOLEAN("Net.OCSPResponseStapled", ocsp_responses_present);
UMA_HISTOGRAM_BOOLEAN 2523 net/socket/ssl_client_socket_nss.cc       UMA_HISTOGRAM_BOOLEAN("Net.SSLv3FallbackToRenegoPatchedServer",
UMA_HISTOGRAM_BOOLEAN 3506 net/socket/ssl_client_socket_nss.cc         UMA_HISTOGRAM_BOOLEAN("Net.PublicKeyPinSuccess", false);
UMA_HISTOGRAM_BOOLEAN 3509 net/socket/ssl_client_socket_nss.cc         UMA_HISTOGRAM_BOOLEAN("Net.PublicKeyPinSuccess", true);
UMA_HISTOGRAM_BOOLEAN  587 net/spdy/spdy_session.cc   UMA_HISTOGRAM_BOOLEAN("Net.SpdySessions_DataReductionProxy",
UMA_HISTOGRAM_BOOLEAN  729 net/spdy/spdy_session.cc     UMA_HISTOGRAM_BOOLEAN("Net.SpdySession.CreateStreamWithSocketConnected",
UMA_HISTOGRAM_BOOLEAN 1700 net/spdy/spdy_session.cc   UMA_HISTOGRAM_BOOLEAN("Net.SpdySessionSocketNotConnectedGetPeerAddress",
UMA_HISTOGRAM_BOOLEAN 1712 net/spdy/spdy_session.cc   UMA_HISTOGRAM_BOOLEAN("Net.SpdySessionSocketNotConnectedGetLocalAddress",
UMA_HISTOGRAM_BOOLEAN  612 net/url_request/url_request.cc   UMA_HISTOGRAM_BOOLEAN("Net.URLRequest_SetReferrer_IsEmptyOrValid",
UMA_HISTOGRAM_BOOLEAN  263 sync/internal_api/sync_encryption_handler_impl.cc   UMA_HISTOGRAM_BOOLEAN("Sync.CryptographerReady", is_ready);
UMA_HISTOGRAM_BOOLEAN  264 sync/internal_api/sync_encryption_handler_impl.cc   UMA_HISTOGRAM_BOOLEAN("Sync.CryptographerPendingKeys", has_pending_keys);
UMA_HISTOGRAM_BOOLEAN  276 sync/internal_api/sync_encryption_handler_impl.cc       UMA_HISTOGRAM_BOOLEAN("Sync.KeystoreDecryptionFailed",
UMA_HISTOGRAM_BOOLEAN  362 sync/internal_api/sync_encryption_handler_impl.cc     UMA_HISTOGRAM_BOOLEAN("Sync.CustomEncryption", true);
UMA_HISTOGRAM_BOOLEAN  417 sync/internal_api/sync_encryption_handler_impl.cc         UMA_HISTOGRAM_BOOLEAN("Sync.CustomEncryption", is_explicit);
UMA_HISTOGRAM_BOOLEAN   24 webkit/browser/appcache/appcache_histograms.cc   UMA_HISTOGRAM_BOOLEAN("appcache.ReinitAttempt", repeated_attempt);
UMA_HISTOGRAM_BOOLEAN   28 webkit/browser/appcache/appcache_histograms.cc   UMA_HISTOGRAM_BOOLEAN("appcache.CorruptionDetected", true);
UMA_HISTOGRAM_BOOLEAN   61 webkit/browser/appcache/appcache_histograms.cc     UMA_HISTOGRAM_BOOLEAN(label, success);
UMA_HISTOGRAM_BOOLEAN   64 webkit/browser/appcache/appcache_histograms.cc     UMA_HISTOGRAM_BOOLEAN(label, success);
UMA_HISTOGRAM_BOOLEAN   91 webkit/browser/appcache/appcache_histograms.cc   UMA_HISTOGRAM_BOOLEAN(label, was_stalled);
UMA_HISTOGRAM_BOOLEAN   99 webkit/browser/appcache/appcache_histograms.cc   UMA_HISTOGRAM_BOOLEAN(label, was_off_origin_resource_failure);
UMA_HISTOGRAM_BOOLEAN  144 webkit/browser/appcache/appcache_histograms.cc   UMA_HISTOGRAM_BOOLEAN("appcache.MissingManifestEntry", true);